Fasting: Friday or Shukravar is dedicated to Shakti, the Mother Goddess, and Santoshi Mata, an incarnation of Shakti. Goddesses Durga and Kali are worshipped with utmost devotion and devotees flock to the Shakti temples on this day. Devotees listen to Durga Aarti, Kali Aarti and Santoshi Mata Aarti on this day.